As an athlete, you usually end up teaching younger athletes. (Well, at least most of the ones I know do). It is an interesting experience, since your view shifts.
The most interesting part? As you're less and less invested in actually being brilliant in what you do, you gain a deeper understanding of the underlying principles. (I used to be a professional dancer. Many things that were hard to grok when I did them on a day-to-day basis are now entirely obvious. And I can easily demonstrate them, or spot the mistakes. I just can't do them hundreds of times, day-in, day-out :)
The most interesting part? As you're less and less invested in actually being brilliant in what you do, you gain a deeper understanding of the underlying principles. (I used to be a professional dancer. Many things that were hard to grok when I did them on a day-to-day basis are now entirely obvious. And I can easily demonstrate them, or spot the mistakes. I just can't do them hundreds of times, day-in, day-out :)